You can import the demo content and then you can edit the Homepage that will be created. If you don't want to import the demo content, you can create a page and then set it as Homepage at Settings/Reading.
WELCOME TO POKA THEME!
Contrary to popular belief, Lorem Ipsum is not simply random text. It has roots in a piece of classical Latin literature from 45 BC, making it over 2000 years old. Richard McClintock, a Latin professor at Hampden-Sydney College in Virginia